Contingencies and Commitments - Additional Information (Details) - Forecast [Member] - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		6 Months Ended
	Dec. 31, 2015	Sep. 30, 2015	Dec. 31, 2015
Dividends Payable [Line Items]
Monthly dividend declared (in dollars per share)	$ 0.0025	$ 0.005
Amount of cash dividends to be paid to class A and class C shareholders			$ 345